Alternative details for the construction of the cottage Question 5 The foundation on the site of Project 1. following a geotechnical report. is found to he moderately reactive clav. The day extends from below the topsoil on the site to a depth of approxin'latelvr Tmm. Bv providing a sketch. propose an alternative footing svstem for the construct'nn of the cottage. Fully detail the footing specifying concrete and reinforcement. Provide all relevant dimensions. Should the clav. after excavation commences. prove to he at a greater depth. say an average of 1500mm below the cleared site. propose another footing system and fully sitth the detail